Page 41 - Mathematics Pre Primer

Horizontal Addi on of Three

Numbers (by Drawing Lines)

1 + 2 + 3 = 6

1 2 3 4 5 6

Draw one line for 1.

Draw two lines for 2.

Draw three lines for 3.

Then, count all these lines together to get the sum.

Add by drawing lines :

2 + 4 + 3 = 2 + 3 + 5 =

3 + 3 + 3 = 3 + 1 + 2 =

1 + 2 + 5 = 3 + 1 + 5 =

2 + 3 + 2 = 1 + 1 + 2 =

Activity
Variation To practise horizontal addition of three numbers by drawing lines.

41 Maths Pre-Primer